Home / 9,079.55-13,619.31-2,505.72

Finding the Fourth Proportional to 9,079.55, 13,619.31 and 2,505.72

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Solution

The fourth proportional to 9,079.55, 13,619.31 and 2,505.72 is: 3,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.55 : 13,619.31 = 2,505.72 : x
  2. Step 2: Convert to fraction form
    9,079.55/13,619.31 = 2,505.72/x
  3. Step 3: Cross multiply
    9,079.55x = 13,619.31 × 2,505.72
  4. Step 4: Simplify right side
    9,079.55x = 34,126,177.45
  5. Step 5: Solve for x
    x = 34,126,177.45/9,079.55
  6. Step 6: Final answer
    x = 3,758.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.